RHEL の ixgbe ドライバーで failed to load because an unsupported SFP+ module type was detected の問題が発生する

Issue

Intel Corporation 82599EB 10-Gigabit SFI/SFP+ で ixgbe ドライバーを使用すると問題が発生します。ixgbe モジュールをロードすると、頻繁に失敗します。

[root@hydrogen ~]# grep ixgbe /var/log/messages
Nov 19 11:07:03 hostname kernel: ixgbe:Intel(R) 10 Gigabit PCI Express Network Driver - version 3.6.7-k
Nov 19 11:07:03 hostname kernel: ixgbe:Copyright (c) 1999-2012 Intel Corporation.
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0e:00.0:PCI INT A -> GSI 38 (level, low) -> IRQ 38
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0e:00.0:Multiqueue Enabled:Rx Queue count = 24, Tx Queue count = 24
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0e:00.0:(PCI Express:5.0GT/s:Width x8) 00:1b:21:c1:45:00
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0e:00.0:MAC:2, PHY:1, PBA No:G18786-002
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0e:00.0:Intel(R) 10 Gigabit Network Connection
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0e:00.1:PCI INT B -> GSI 45 (level, low) -> IRQ 45
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0e:00.1:Multiqueue Enabled:Rx Queue count = 24, Tx Queue count = 24
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0e:00.1:(PCI Express:5.0GT/s:Width x8) 00:1b:21:c1:45:01
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0e:00.1:MAC:2, PHY:1, PBA No:G18786-002
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0e:00.1:Intel(R) 10 Gigabit Network Connection
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0f:00.0:PCI INT A -> GSI 40 (level, low) -> IRQ 40
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0f:00.0: failed to load because an unsupported SFP+ module type was detected.
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0f:00.0:Reload the driver after installing a supported module.
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0f:00.0:PCI INT A disabled
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0f:00.1:PCI INT B -> GSI 50 (level, low) -> IRQ 50
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0f:00.1: failed to load because an unsupported SFP+ module type was detected.
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0f:00.1:Reload the driver after installing a supported module.
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0f:00.1:PCI INT B disabled
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0e:00.0: p6p1:NIC Link is Up 10 Gbps, Flow Control:RX/TX

• モジュールのアンロードとリロード (rmmod ixgbe または modprobe ixgbe) を行うと、SFP を認識して許可する場合があります。